Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 57

The ENR materials cost index (MCI) had a value of 2708.51 in August 2010. In the same month, the cost for cement was $96.55 per ton. If cement increased in price exactly in accordance with the MCI, what was the cost of cement per ton in 1913 when the MCI index value was 100